[{"title":"( 2 个子文件 248KB ) 通信原理-matlab仿真-增量调制","children":[{"title":"delta-M","children":[{"title":"speech_dian.wav <span style='color:#111;'> 332.62KB </span>","children":null,"spread":false},{"title":"deltaM.mdl <span style='color:#111;'> 33.24KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]